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Certina 23-30
Ligne: 17'''
Jewels: 15
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1936
Diameter: 38.2 mm
Height: 4.5 mm
Hands: 1.90 x 1.00 / 0.28 mm
The Certina 23-30 watch movement is an open face calibre. There are no specific known differences between the 480 through 489 calibres. This movement incorporates the following functions: stem wind and set, as well as sub second. The Certina 23-30 movement was predominantly in use around the year 1936.
The Certina 23-30 features the following functions:
- Stem wind and set
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
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Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
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